Manufacturer:netTALK.com, IncManufacturer Part Number:Manufacturer Website Address:www.nettalk.comBrand Name:netTALKProduct Line:Product Model:Product Name:DUO2 VOIP Telephone ServiceMarketing Information:Fire your phone company! Make free calls to the US & Canada and ultra-low cost international calls from anywhere in the world. The netTALK DUO is a sleek and small VoIP telephone device that connects directly to your router or computer, creating a fax-friendly phone line with free calling features such as 411 Directory Assistance, Enhanced 911, Visual Voicemail (voicemail to e-mail), call waiting, conference calling, a videophone application, and conference bridge. Calls from DUO to DUO are free from anywhere in the world. With no contracts or monthly bills, the DUO includes the first year of service and each additional year. Also, you do not need to connect the device to a computer, which results in significant energy and cost savings. The DUO is recognized by Laptop Magazine as an editor's choice product, and designated "Business Ready" by PCWorldProduct Type:VoIP GatewayInterfaces/PortsInterfaces/Ports:1 x RJ-11 Phone LineMedia & PerformanceConnectivity Media:Twisted PairPower DescriptionInput Voltage:100 V AC - 240 V AC Power SupplyMiscellaneousAdditional Information:Free calling to the US & Canada & DUO to DUO No computer needed / No contracts / No monthly bills Ultra-low cost international calling First year of service is included. $29.95 each additional year Free 411, E911, visual voicemail, call waiting, conference calling, conference bridgeWarrantyStandard Warranty: